Sydney Harbour sailing weather today — go/no-go
GO — Yes — go sailing. Sailing score 100/100 · Australia. Best window starts around Today 10:00 PM.
About sailing in Sydney Harbour
Sydney Harbour combines Pacific swell at the Heads with protected bays inside—Opera House reaches, Bridge passes, and Wednesday evening race fleets from Rushcutters Bay. Harbour National Park headlands frame sailing photos.
Best time to sail
October through April for warm sea breezes; summer afternoon northeasters are the classic sailing rhythm. Winter westerlies bring clear days but cooler spray. Weekdays are usually quieter than weekends.
Sailing notes
Sydney Heads seas differ from flat harbour water—brief crews on ebb. Speed limits and wash restrictions near beaches are enforced. New Year's Eve and Australia Day create exclusion zones.
Sydney Harbour wind and sailing weather
Summer seabreeze typically builds NE 15–20 knots after 1 p.m.; morning land breezes are light westerly. Southerly busters after heatwaves can arrive with 30+ knot gusts and steep chop at the Heads.
Official marine forecast for Sydney Harbour
Cross-check today's SailCall verdict with the official marine forecast, warnings, and tides before you leave the dock.
Sydney Harbour sailing FAQ
What are sailing conditions like in Sydney Harbour today?
SailCall publishes a live go, caution, or no-go sailing conditions verdict for Sydney Harbour based on wind, seas, visibility, and timing. Check the live score on this page before you leave the dock.
When is the best time to sail in Sydney Harbour?
October through April for warm sea breezes; summer afternoon northeasters are the classic sailing rhythm. Winter westerlies bring clear days but cooler spray. Weekdays are usually quieter than weekends.
What wind patterns should I expect in Sydney Harbour?
Summer seabreeze typically builds NE 15–20 knots after 1 p.m.; morning land breezes are light westerly. Southerly busters after heatwaves can arrive with 30+ knot gusts and steep chop at the Heads.
Is it good for sailing in Sydney Harbour today?
Yes — Sailing Score 100/100.
Nearby sailing harbors
← All harborsWhat SailCall covers
Wind, seas, rain, visibility, and pressure for today's coastal day sail, using WeatherAPI.com forecast and marine data. Wave outlook is included; tide times are not yet — check a local tide table before harbor entry. Not a chart plotter or passage planner.
Should I go sailing today?
Sydney Harbour
GO
Yes — go sailing
100
Sailing score
Next 24 hours
Hourly sailing comfort at the harbor — today and tomorrow are local to the marina.
Best intervals: Today 10:00 PM – Tomorrow 1:00 PM · Tomorrow 6:00 PM – 10:00 PM
Boat type
Showing Keelboat wind thresholds
Hover or tap an hour for details · Next 24 hours
At harbor: Sun, Oct 4, 10:00 PM (Australian Eastern Daylight Time)
The call
Conditions near Sydney Harbour look favorable — the best window in the next 24 hours is tomorrow evening.
Location
Sydney Harbour, Australia
Today's seas
Daily wave outlook from WeatherAPI.com. Waves and swell, not tides.
- Significant waves
- 0.0 m
- Relatively calm on the surface. Still check wind against tide at the harbor mouth.
- Swell
- 0.0 m
- Swell period and direction affect how the boat rolls and whether wind waves stack on top.
Conditions at a glance
What stood out in the forecast
Wind
Good10 kt · BF 3
Sustained to 10 kt · gusts to 19 kt · BF 5
Beaufort 5 — a workable breeze for most day sails. Watch for funneling between headlands and tall buildings near harbors; local gusts can exceed the open-water forecast.
Seas
Good0.0 m
Significant wave height 0.0 m
Relatively modest seas today (swell ~0.0 m). Still evaluate harbor entrance and wind against any tidal stream using local pilot notes.
Rain
Fair17%
0.1 mm total · 17% peak chance · 5 wet hour(s)
Showers possible across 5 hour(s). Light rain is manageable with good gear; heavy bursts can obscure marks and other traffic — keep a hand on the plotter or chart.
Air temperature
Good18°C
Air 17–18°C · feels like 16–18°C
Comfortable air temperatures for deck work, but water temperature may still be much colder — a dip without proper gear can shock even on a warm day.
Visibility
Good4.9 nm
Lowest 4.9 nm · best 5.4 nm today
Generally clear sightlines (about 9.0–5.4 nm). Good for spotting traffic and shoreline references — still verify charted marks; glare and spray can fool you even on “clear” days.
Barometric pressure
Fair1019 hPa
1019 hPa ↓ falling (4 hPa change)
Pressure has dropped about 4 hPa — a common sign of an approaching front or low. Wind often strengthens and seas build over the next hours, sometimes before the sky looks dramatic. SailCall does not measure tidal or ocean currents; check tide tables for harbor streams. Wind against the tide can sharpen chop in narrow channels.
UV / sun
FairUV 7.9
High index — plan sun protection before you leave the dock. · peak near 13:00
UV 7.9 is elevated. Cloud cover does not block all UV — protect skin and eyes, especially on white decks and sails.
Why we said GO
What pushed the score — how we score
How we decided
We score sailing conditions with fixed thresholds, so you can see why we picked go, caution, or no-go. Official charts, tide books, and your own judgment still run the show.
- GO — sailing score ≥70 with no critical blockers
- CAUTION — score 45–69, or manageable risks
- NO-GO — score <45 or dangerous wind/seas/storms
Engine v1.2.0 · WeatherAPI.com marine + forecast · Evaluated Sun, Oct 4, 10:47 PM (Australian Eastern Daylight Time)
What should I do?
What to do next
Check local tide tables
SailCall does not include tide data yet — verify harbor depth before you go.
At harbor: Sun, Oct 4, 10:00 PM (Australian Eastern Daylight Time)
Day outlook
2-day · °C, kt, m, nm, mm
Today
Good
21°C / 16°C
0.1 mm · 17 kt · BF 5
Favorable sailing conditions expected (remaining hours).
Tomorrow
Fair
18°C / 17°C
1.3 mm · 63%
Sail with preparation: breezy conditions.
Forecast data from third-party providers.